Archive Log Gap between Disaster recovery server & Production Server

Hi
Can anybody provide me the script to find out the archive log missing on Production Server means that archive log backed up & deleted from the production server & rest of the Archive logs has been shipped on to the DR server. Means it will shot the gap between production server & DR server until that log which has been deleted from the production server , but next logs has been shipped to the DR server. But rest of the logs only be applied when delete log be restored on the production server & shipped on the DR server.
thanks.
Regards
Ravi Kant Arya

Ravi,
The question is how are you getting the archive logs shipped over to your standby database? If you are doing it via FTP or scripts, then you may want to look at configuring DataGuard to do it for you. Look at "Setting Up Oracle Dataguard for SAP" at:
http://www.oracle.com/us/solutions/sap/wp-ora4sap-dataguard11g-303811.pdf
Good Luck.
Mike Kennedy

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WAS :- 620
Database :- Oracle 9.2
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I am in a process of DR Planning.
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SAP ECC 6
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I know about dataguard and i have implemnted same on our other application but not for SAP.
I have ame doubts and I request you to please guide me for the same.
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How to migrate Planning from Production to Disaster-Recovery server?

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Edited by: Essbase Fan on Oct 18, 2010 10:11 AM

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http://john-goodwin.blogspot.com/

Archive log gap is created is standby when ever audit trail is set to DB

Hi
I am a new dba. I am facing a problem at production server that whenever audit_trail parameter is set to db , archive log gap is created at the standby site.
My database version is 10.2.0.4
Os is windows 2003 R2
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Is there any relation beteen audit_trail and log transport ?
Please note that my archive log location of both the sites has sufficient disk space and the drive is working fine.Also my primary and standby is in WAN.
Please help me in this.Any help will be highly appreciated.
Here a trace file which may be helpful to give any opinion.
Dump file d:\oracle\admin\sbiofac\bdump\sbiofac_lns1_6480.trc
Tue Jun 05 13:46:02 2012
ORACLE V10.2.0.4.0 - Production vsnsta=0
vsnsql=14 vsnxtr=3
Oracle Database 10g Enterprise Edition Release 10.2.0.4.0 - Production
With the Partitioning, OLAP, Data Mining and Real Application Testing options
Windows Server 2003 Version V5.2 Service Pack 2
CPU : 2 - type 586, 1 Physical Cores
Process Affinity : 0x00000000
Memory (Avail/Total): Ph:16504M/18420M, Ph+PgF:41103M/45775M, VA:311M/2047M
Instance name: sbiofac
Redo thread mounted by this instance: 1
Oracle process number: 21
Windows thread id: 6480, image: ORACLE.EXE (LNS1)
*** SERVICE NAME:() 2012-06-05 13:46:02.703
*** SESSION ID:(534.1) 2012-06-05 13:46:02.703
*** 2012-06-05 13:46:02.703 58902 kcrr.c
LNS1: initializing for LGWR communication
LNS1: connecting to KSR channel
Success
LNS1: subscribing to KSR channel
Success
*** 2012-06-05 13:46:02.750 58955 kcrr.c
LNS1: initialized successfully ASYNC=1
Destination is specified with ASYNC=61440
*** 2012-06-05 13:46:02.875 73045 kcrr.c
Sending online log thread 1 seq 2217 [logfile 1] to standby
Redo shipping client performing standby login
*** 2012-06-05 13:46:03.656 66535 kcrr.c
Logged on to standby successfully
Client logon and security negotiation successful!
Archiving to destination sbiofacdr ASYNC blocks=20480
Allocate ASYNC blocks: Previous blocks=0 New blocks=20480
Log file opened [logno 1]
*** 2012-06-05 13:46:44.046
Error 272 writing standby archive log file at host 'sbiofacdr'
ORA-00272: error writing archive log
*** 2012-06-05 13:46:44.078 62692 kcrr.c
LGWR: I/O error 272 archiving log 1 to 'sbiofacdr'
*** 2012-06-05 13:46:44.078 60970 kcrr.c
kcrrfail: dest:2 err:272 force:0 blast:1
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*** 2012-06-05 13:47:37.031 73045 kcrr.c
Sending online log thread 1 seq 2218 [logfile 2] to standby
*** 2012-06-05 13:47:37.046 73221 kcrr.c
Shutting down [due to no more ASYNC destination]
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OK
Great details thanks!!
Are The SDU/TDU settings are configured in the Oracle Net files on both primary and standby ? I will see if I have an example.
The parameters appear fine.
There was an Oracle document 386417.1 on this, I have not double checked if its still available. ( CHECK - Oracle 9 but worth a galance )
Will Check and post here.
I have these listed too. ( Will check all three and see if they still exist )
When to modify, when not to modify the Session data unit (SDU) [ID 99715.1] ( CHECK - still there but very old )
SQL*Net Packet Sizes (SDU & TDU Parameters) [ID 44694.1] ( CHECK - Best by far WOULD REVIEW FIRST )
Any chance your firewall limit the Packet size?
Best Regards
mseberg
Edited by: mseberg on Jun 6, 2012 12:36 PM
Edited by: mseberg on Jun 6, 2012 12:43 PM
Additional document
The relation between MTU (Maximum Transmission Unit) and SDU (Session Data Unit) [ID 274483.1]
Edited by: mseberg on Jun 6, 2012 12:50 PM
Still later
Not sure if this helps but I played around will this on Oracle 11 a little, here that example:
# listener.ora Network Configuration File: /u01/app/oracle/product/11.2.0/network/admin/listener.ora
# Generated by Oracle configuration tools.
LISTENER =
(DESCRIPTION_LIST =
    (DESCRIPTION =
      (ADDRESS = (PROTOCOL = TCP)(HOST = yourdomain.com)(PORT = 1521))
SID_LIST_LISTENER = (SID_LIST =(SID_DESC =(SID_NAME = STANDBY)
                      (ORACLE_HOME = /u01/app/oracle/product/11.2.0)
                      (SDU=32767)
                      (GLOBAL_DBNAME = STANDBY_DGMGRL.yourdomain.com)))
ADR_BASE_LISTENER = /u01/app/oracle
INBOUND_CONNECT_TIMEOUT_LISTENER=120Edited by: mseberg on Jun 6, 2012 12:57 PM
Also of interest
Redo is transporting in 10gR2 versions.
http://www.oracle.com/technetwork/database/features/availability/maa-wp-10gr2-dataguardnetworkbestpr-134557.pdf
Edited by: mseberg on Jun 6, 2012 1:11 PM

Will RMAN delete archive log files on a Standby server?

Environment:
Oracle 11.2.0.3 EE on Solaris 10.5
I am currently NOT using an RMAN repository (coming soon).
I have a Primary database sending log files to a Standby.
My Retention Policy is set to 'RECOVERY WINDOW OF 8 DAYS'.
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Does the fact that I'm NOT using an RMAN Repository at the moment make a difference?
Couldn't find the answer in the docs.
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Hello again Gary;
Sorry for the delay.
Why is what you suggested better?
No, its not better, but I prefer to manage the archive. This method works, period.
Does that fact (running a backup every 4 hours) make my archivelog deletion policy irrelevant?
No. The policy is important.
Having the Primary set to :
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"Oracle Data Guard 11g Handbook" - Larry Carpenter (AKA Dr. Paranoid ) ISBN 978-0-07-162111-2
Best Oracle book I've read in 10 years. Covers a ton of ground clearly.
Also Data Guard forum here :
Data Guard
Best Regards
mseberg
Edited by: mseberg on Apr 10, 2012 4:39 PM

Physycal Standby archive log gap....

Archive log gap caused... The reason being before the logs can be shipped to standby location where deleted by rman backup... So restored the archives on primary database site back again... These old logs from the gap are not getting shipped to the standby site, but the new ones generated currently are getting shipped.
Can some one help what action do I have to take to resolve the gap? And how to know what's causing and not letting this shipping happen?
Or shall I manually ship these gap archive logs to the standby site?

1) Yep running 9i.. But still its not shipping...Are FAL_CLIENT & FAL_SERVER parameters are defined at standby level?
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2) If so shipped manually do have to register the archive logs? Just copy from primary to standby and don't need to register any gap, that was in 8i and when there was no background process MRP (media recovery process). If the standby database is in auto media recovery, then, it will automatically applies all the archived logs.
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HI,
today to test the data in our disaster recovery server for which we have log shipping every 30minutes we started the server in sap level during the process we can see that work +disp status is showing stopped.when i checked the log files in work directory it is showing below errors.
C sloledb.cpp [OpenOledbConnection,line 22822]: Error/Message: (err 4060, sev 0), Cannot open database "INP" requested by the login. The login failed.
M * LOCATION    SAP-Server atriooonsapdr01_INP_00 on host terhsapdr01 (wp 0)
M * ERROR       tskh_init: db_connect
M *
M * TIME        Mon Oct 06 16:31:42 2008
M * RELEASE     640
M * COMPONENT   Taskhandler
M * VERSION     1
M * RC          13
M * MODULE      thxxhead.c
M * LINE        9780
M * COUNTER     1
kindly suggest what to check and how to resolve.

Hi Anil.
you should be sure if user SAPINPDB exists in the database system and it is mapped to the SAPINPDB user of the DB.... this if you use SQL Server, but the rule should be something like this in other DB systems!!!
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Thanks & Regards,

Hello, I'm doing a "Plant ECC6 to do a test disatre / Recovery.
During the installation, I would use the same <sidadm> existing as it is in the PRD.
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hi experts
i am using
SAP Version: ECC 6.0 SR3
Database Version: 10.2.0.4
OS Version: HP-UX B.11.31
i have a server where O/S installed. i want to make this as a disaster Recovery server.
now i want to know.
1- what is the man power needed.?
2 -which technical guys i needed.?
3-how much time it will take?
4- can a basis consultant only do this job?
5-Is any separate team for DR server installation.
kindly guide me in detail regarding this.
thanks

> SAP Version: ECC 6.0 SR3
> Database Version: 10.2.0.4
> OS Version: HP-UX B.11.31
>
> i have a server where O/S installed. i want to make this as a disaster Recovery server.
> now i want to know.
> 1- what is the man power needed.?
It's possible to do all this with one guy, but if you're inventive you can surely employ more people with this.
> 2 -which technical guys i needed.?
You will need people that are actually capable to do this.
The most likely people for that seem to be HP-UX and Oracle admins.
> 3-how much time it will take?
Depends totally on the business recoverability requirements.
How much downtime can it take until your business breaks?
How much is business willing to pay for that?
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> 4- can a basis consultant only do this job?
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> 5-Is any separate team for DR server installation.
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regards,
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Could u tell me last applyed archive log in disaster recovery server

Hi DBA'S,
we are using oracle 9.2.0.8 my production database has dr(our dr is not a stand by it is created in diff way) server every time one cron job sync the database and transfer the new logs from production server to dr server. i want to know last applied archive in dr server.
i am using this query select max(sequence#) from v$log_history; it is showing same results in boath production and dr when ever we backup 2 days before archive to some backup directory sync is going to fail
please tell me correct query to find out the last applied archived log in dr server
Thanks&Regards
Tirupathi

we are using oracle 9.2.0.8 my production database has dr(our dr is not a stand by it is created in diff way) server every time one cron job sync the database and transfer the new logs from production server to dr server. i want to know last applied archive in dr server.i am using this query select max(sequence#) from v$log_history; it is showing same results in boath production and dr when ever we backup 2 days before archive to some backup directory sync is going to fail
please tell me correct query to find out the last applied archived log in dr server>
As you are running cron job to bring the dr in sync, i suppose v$log_history might give you the wrong results.In your case check :-
select sequence#,applied from v$archived_log where applied='YES';
select max(sequence#) from v$archived_log where applied='YES';Would like to know, why manual recovery (archive logs being manually applied) is being performed, and not automatic.
In case you switch to automatic below query would be useful :-
select al.thrd "Thread", almax "Last Seq Received", lhmax "Last Seq Applied"
    from (select thread# thrd, max(sequence#) almax
            from v$archived_log
           where resetlogs_change#=(select resetlogs_change# from v$database)
           group by thread#) al,
         (select thread# thrd, max(sequence#) lhmax
           from v$log_history
            where first_time=(select max(first_time) from v$log_history)
           group by thread#) lh
          where al.thrd = lh.thrd;Refer [http://aprakash.wordpress.com/2010/07/21/use-of-varchived_log-and-vlog_history-on-physical-standby/]
HTH
Anand

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Kailas Padwale.
BASIS Team.

Hi,
As per your query you have not mentiones here what is your opreting system and whcih SAP verson you are using. If any one need related to implimentaion then we keep in mind to os,sap version,database etc.
Your Question: If you want to DR of PRD then you have to get my answer.
1. Do we require separate SAP License key for this server when setup forDR (already SAP license key exists for it as BI server)
ANS= Yes you can generated from SAP Site becasue now this is BI and you want to DR but for this you have not paid any thing to SAP its free.
2. We will re-install BI on the same server after our DR test so whetherwe need to regenerate License key for BI or not?
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3. We have two R/3 PRD servers in HACMP mode in SAN. Can we take the
backup of R/3 PRD and restore it on DR Trial Server? If yes, whether we
will face any problem for existing PRD server?
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In case you need more help, pls get in touch.
Anil

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Archive Log Gap between Disaster recovery server & Production Server

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